Before you call for service…
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Customer Service Troubleshooting Tips Operating Instructions Safety Information
Steam or vapor escaping from around the door.
Light reflection around door or outer case.
Dimming oven light and change in the blower sound at power
levels other than high.
Dull thumping sound while oven is operating.
TV/radio interference might be noticed while using the
microwave. Similar to the interference caused by other small
appliances, it does not indicate a problem with the microwave.
Plug the microwave into a different electrical circuit, move the
radio or TV as far away from the microwave as possible, or check
the position and signal of the TV/radio antenna.

Things That Are Normal With Your Microwave Oven